Retinol is a form of Vitamin A and belongs to the family of retinoids that include Retinoic acid and retinaldehyde. Vitamin A is needed for a broad array of biological functions including embryonic development, tissue maintenance, reproduction, vision, growth, inflammation, differentiation, proliferation and apoptosis.
Read MoreSo the real question there is, "is the best skincare routine minimal, maximal, or somewhere in between?" The answer is, it always depends on you, and your skin.